到死

dàosǐ
  1. (colloquial) extremely, very, dead (e.g. dead tired), as hell
  2. extremely, very, dead (e.g. dead tired), as hell

Wiktionary

Entry Composition

1 到 dào
  1. to reach; to arrive
  2. to leave for; to go to
  3. to (a place); until (a time); up to (a point)
  4. (verb complement indicating arriving at a place or reaching a point)
  5. considerate; thoughtful; thorough
2 死 sǐ
  1. to die
  2. impassable
  3. uncrossable
  4. inflexible
  5. rigid
  6. extremely
  7. damned